1k Value, imperf. block of 6 with DOUBLE PRINT, never hinged or hr (2), usual gum creases, very fine and rare, (Standart € 900 for nh) (Image)

5k Value, imperf. BR corner margin PLATE block of 4 with DOUBLE PRINT of plate no. 4 and a single adhesive also showing double print (this signed Serebrakian), very fine and rare (Image)

10k Value, IMPERFORATE QUARTER SHEET, never hinged, a few toned spots and two hr top sheet margin, a rare block (Mi 69IIBd; Standart € 3’375 for nh) (Image)

10k Value, IMPERF. corner block of 4, nh (hr in sheet margin), also used & mint hinged pair + single adhesive mint (hr) (Image)

10k Value, imperf. FORGERY in horizontal pair, mint (hr), very fine & scarce specialist item (Image)

10k Value, two IMPERF. blocks of 4 + strip of 4 + strip of 3 + 50k perforated tied to registered philatelic cover bearing MOSKVA 5.4.19 cds, scarce (Image)

15k Value, imperforate block of 6 with DOUBLE PRINT (2nd print inverted & shifted), never hinged or hr (3), usual typical slight gum creases, very fine and scarce (Image)

20k and 50k Arms, selection of ERRORS with missing or strongly shifted background print or shifted centre print, mint hr or nh, fine to superb group (Image)

1R Arms, specialised collection on 11 pages, noted blocks and part sheets, offsets, paper folds and part prints, centre varieties (shifted, inverted, etc.), shifted background, etc., mint (some nh) or used, mostly fine to very fine (Image)

5R Value, “HALF EAGLE” VARIETY (or, “Have you ever seen a stamp with a window?”), imperforate bottom left corner margin block of 6 including decorated field at bottom left, showing on 3rd stamp “half eagle” print as the inner oval was cut in half and folded after printing the green background but before the other printing stages, a UNIQUE variety showing what happens when product control is not taken too seriously – a variety that should probably never reached the public (Image)

10R Value imperf. block of 4 with decorated field and three varieties including strongly shifted background print, all but one mint (hr), very fine group, (Standart ca. € 400+) (Image)

10R Imperforate right margin block of 4, nh, also 5R imperforate with strongly shifted background print and a 1R bottom margin example with totally shifted background and centre printing, last 2 with hr, scarce and fine varieties (Image)

10R Value imperforate used (5, including 1 pair) and 3 mint (hr) examples including plate error “broken oval frame under coat of arms” & another example with strongly shifted background (Image)

3R50 Value, perf. 12 1/2, IMPERFORATE at left sheet margin, mint (hr), signed ROMEKO / Paris (Image)

3R50 Value, perf. 12 1/2, top left corner margin block of 4 with decorated field IMPERFORATE between horizontally and at top margin, scarce variety (Image)

1k to 70k Values, specialised collection on 26 pages of the kopek values of the imperf. Arms definitives, noted blocks and quarter sheets, offsets, paper folds and part prints, etc., mint (some nh) or used, mostly fine to very fine (Image)